The change unifies Twitter's platforms, where hearts have been largely successful on the brand's live streaming app, Periscope. The renaming of the feature from "favorites" to "likes" is expected to help the platform compete against Facebook, who has long used the term "like."

Twitter said it made the move after market testing find users liked the change but users have been sending out a steady stream of negative feedback Tuesday:

what??? where the FAV button of #twitter disappeared ? And this bloody heart appeared ???? @Twitter ???